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April 24, 2014

Homework Help: CHEM

Posted by Lena on Thursday, October 18, 2012 at 6:09pm.

Silicon carbide, commonly known as carborundum, is a very hard and abrasive substance. The compound is prepared by heating silicon dioxide in the presence of graphitic carbon:

SiO2(s) + 2C(s) --> SiC(s) + CO2(g)
How many grams of silicon carbide can be formed from 55.0 g of graphite and 20.0 g of silicon dioxide?

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